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- W1538400835 abstract "【Objective】 The study was done to make sure damage characteristics of Contarinia pyrivora and its insecticidal control efficiency,which can give a solid basis for integrated management of this pest.【Method】 The relationships between damage degree and the level of orchard management and the pear varieties were investigated and the control efficiency of five insecticides was studied through the field efficacy trials in three representative pear orchards of Yangling area,Shaanxi Province.【Result】 C.pyrivora caused less damage to the pear in the high level of orchard management and more damage to the pear in the low level of orchard management.In four pear varieties,C.pyrivora caused the most damage to Moonlight sand pear,more damage to Xingshui sand pear,less damage to Snowflake pear and no damage to Kant pear.The field efficacy trials showed that 40% Chlorpyrifos EC,20% Triazophos EC,10% Imidacloprid WP and 0.2% Abamectins EC had good efficiency in controlling the larvae of C.pyrivora by spraying.On the first day after spraying,the controlling efficiency was 93.32%,95.61%,97.17%,95.39% respectively.As time went on,the controlling efficiency decreased slightly.【Conclusion】 The degree of damage caused by Contarinia pyrivora was closely related to the level of orchard management and the pear varieties.The insecticide control had a good efficiency in controlling this pest." @default.
- W1538400835 created "2016-06-24" @default.
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- W1538400835 date "2010-01-01" @default.
- W1538400835 modified "2023-09-28" @default.
- W1538400835 title "Studies on damage characteristics and insecticide control technique of Contarinia pyrivora Riley" @default.
- W1538400835 hasPublicationYear "2010" @default.
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